Scientists have discovered the oldest bird fossil shedding light on birds' origin in China, and reshaping the timeline of ...

The bird has a short tail ending in a pygostyle, an important aerodynamic innovation moving the center of mass forward toward ...

Contenders for the true first birds have now been found in Chinese rocks dating from the late Jurassic, around 149 million years ago. If accepted as birds, as the scientists who described them think ...